<template>
  <el-container class="main-container">
    <!-- 头部区域 -->
    <el-header>
      <!-- 左侧的 logo -->
      <img src="../../assets/images/logo.png" alt="" />
      <!-- 右侧的菜单 -->
      <el-menu
        class="el-menu-top"
        mode="horizontal"
        background-color="#23262E"
        text-color="#fff"
        active-text-color="#409EFF"
      >
        <el-submenu index="1">
          <template slot="title">
            <!-- 头像 -->
            <img :src="$store.state.userInfo.user_pic" v-if="$store.state.userInfo.user_pic" alt="" class="avatar" />
            <img src="../../assets/logo.png" v-else alt="" class="avatar" />
            <span>个人中心</span>
          </template>
          <el-menu-item index="1-1"><i class="el-icon-s-operation"></i>基本资料</el-menu-item>
          <el-menu-item index="1-2"><i class="el-icon-camera"></i>更换头像</el-menu-item>
          <el-menu-item index="1-3"><i class="el-icon-key"></i>重置密码</el-menu-item>
        </el-submenu>
        <el-menu-item @click="loginOut" index="2"><i class="el-icon-switch-button"></i>退出</el-menu-item>
      </el-menu>
    </el-header>
    <el-container>
      <!-- 左侧边栏区域 -->
      <el-aside width="200px">
        <div class="user-box">
          <img :src="userInfo.user_pic" v-if="userInfo.user_pic" alt="" />
          <img src="../../assets/logo.png" v-else alt="" />
          <span>欢迎 {{userInfo.nickname || userInfo.username}}</span>
        </div>
  <!-- 渲染左侧菜单 -->
  <!-- el-menu   router属性是开启路由模式 -->
  <el-menu
    default-active="1"
    class="el-menu-vertical-demo"
    background-color="#23262E"
    text-color="#fff"
    active-text-color="#409EFF"
    unique-opened
    router
  >
  <!-- template是模板标签不会渲染dom结构, 只起到包裹作用
      template不是真实的标签, 所有不能在template上使用 :key
  -->
  <template v-for="item in menusList">
    <!-- 不包含子菜单的“一级菜单” -->
    <el-menu-item :index="item.indexPath" :key="item.indexPath" v-if="!item.children"><i :class="item.icon"></i>{{item.title}}</el-menu-item>
    <!-- 包含子菜单的“一级菜单” -->
    <el-submenu :index="item.indexPath" :key="item.indexPath" v-else>
      <template slot="title">
        <i :class="item.icon"></i>
        <span>{{item.title}}</span>
      </template>
      <el-menu-item v-for="childItem in item.children" :key="childItem.indexPath" :index="childItem.indexPath"><i :class="childItem.icon"></i>{{childItem.title}}
      </el-menu-item>
      
    </el-submenu>
  </template>


  </el-menu>

      </el-aside>
      <el-container>
        <!-- 页面主体区域 -->
        <el-main>
          <!-- 二级路由配置出口 -->
          <router-view></router-view>
          
        </el-main>
        <!-- 底部 footer 区域 -->
        <el-footer>© www.itheima.com - 黑马程序员</el-footer>
      </el-container>
    </el-container>
  </el-container>
</template>

<script>
  import {mapState} from 'vuex'
export default {
  name: 'Main',
  data(){
    return{
      menusList:[] // 储存左侧菜单数据
    }
  },
  computed:{
    // 将state中的userInfo映射为当前组件的计算属性
    ...mapState(['userInfo','token']),
    
  },
  created(){
    // this.$store.dispatch('actions中的函数')
    // 1. 调用actions中的函数
    this.$store.dispatch('initUserInfo')
    this.getMenus()
  },
  methods:{
    // 获取左侧菜单
     async getMenus(){
     const {data:res} =  await this.$http.get('/my/menus')
     if(res.code != 0) return this.$message.error(res.message)
     this.$message.success(res.message)
     console.log(res)
      // 将获取到的数据储存到data函数中
      this.menusList = res.data
    },
    // 退出登录 
    loginOut(){
      // 1. 绑定事件函数
      // 2. 提示询问框
      this.$confirm('您确认要退出登录吗, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).then(() => {
          // 3. 如果点击确定, 清空vuex中的token, 那么本地存储中的token, 插件会自动更新
          this.$store.commit('updateToken','')
          this.$store.commit('updateUserInfo',{})
          // 4. 并且跳转到登录页面
          this.$router.push('/login')

        }).catch(() => {
          this.$message({
            type: 'info',
            message: '已取消删除'
          });          
        });
    }
  }
}
</script>

<style lang="less" scoped>
.main-container {
  // 左侧边栏用户信息区域
.user-box {
  height: 70px;
  display: flex;
  justify-content: center;
  align-items: center;
  border-top: 1px solid #000;
  border-bottom: 1px solid #000;
  user-select: none;
  img {
    width: 35px;
    height: 35px;
    border-radius: 50%;
    background-color: #fff;
    margin-right: 15px;
    object-fit: cover;
  }
  span {
    color: white;
    font-size: 12px;
  }
}
  height: 100%;
  .el-header,
  .el-aside {
    background-color: #23262e;
  }
  .el-header {
    padding: 0;
    display: flex;
    justify-content: space-between;
  }
  .el-main {
    overflow-y: scroll;
    height: 0;
    background-color: #F2F2F2;
  }
  .el-footer {
    background-color: #eee;
    font-size: 12px;
    display: flex;
    justify-content: center;
    align-items: center;
  }
}

.avatar {
  border-radius: 50%;
  width: 35px;
  height: 35px;
  background-color: #fff;
  margin-right: 10px;
  object-fit: cover;
}

</style>
